*{
    margin: 0;
    padding: 0;
}

img {
    width: 150px;
    height: 130px;
}

.box{
    /* 水平居中 */
    text-align: center;
    padding-top: 30px;
    padding-bottom: 30px;
    background-color: rgba(97,131,174,0.6);
}

body{
    background-image: url(../jsdom/images/1.jpg);
}